Trixie Transparent Plastic Bird Bath for Parakeets, Canaries, and Finches To hang in front of the cage door Optimal Cage Door Opening: 6" x 4.3" (15.5 cm x 11 cm) For birds such as parakeets (budgies), canaries, and finches Blue-transparent plastic allows you to watch your bird taking a bath Product Size: 15 cm x 16 cm x 17 cm (5.9" x 6.2" x 6.7")